1280496960

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8389}}^1$

素因数の和:8465

約数の個数: 168

約数和(自身を含む): 4488012360

約数和(自身を除く): 3207515400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 64, 72, 80, 90, 96, 106, 120, 144, 159, 160, 180, 192, 212, 240, 265, 288, 318, 320, 360, 424, 477, 480, 530, 576, 636, 720, 795, 848, 954, 960, 1060, 1272, 1440, 1590, 1696, 1908, 2120, 2385, 2544, 2880, 3180, 3392, 3816, 4240, 4770, 5088, 6360, 7632, 8389, 8480, 9540, 10176, 12720, 15264, 16778, 16960, 19080, 25167, 25440, 30528, 33556, 38160, 41945, 50334, 50880, 67112, 75501, 76320, 83890, 100668, 125835, 134224, 151002, 152640, 167780, 201336, 251670, 268448, 302004, 335560, 377505, 402672, 444617, 503340, 536896, 604008, 671120, 755010, 805344, 889234, 1006680, 1208016, 1333851, 1342240, 1510020, 1610688, 1778468, 2013360, 2223085, 2416032, 2667702, 2684480, 3020040, 3556936, 4001553, 4026720, 4446170, 4832064, 5335404, 6040080, 6669255, 7113872, 8003106, 8053440, 8892340, 10670808, 12080160, 13338510, 14227744, 16006212, 17784680, 20007765, 21341616, 24160320, 26677020, 28455488, 32012424, 35569360, 40015530, 42683232, 53354040, 64024848, 71138720, 80031060, 85366464, 106708080, 128049696, 142277440, 160062120, 213416160, 256099392, 320124240, 426832320, 640248480, 1280496960]

約数ペア:

[(1, 1280496960), (2, 640248480), (3, 426832320), (4, 320124240), (5, 256099392), (6, 213416160), (8, 160062120), (9, 142277440), (10, 128049696), (12, 106708080), (15, 85366464), (16, 80031060), (18, 71138720), (20, 64024848), (24, 53354040), (30, 42683232), (32, 40015530), (36, 35569360), (40, 32012424), (45, 28455488), (48, 26677020), (53, 24160320), (60, 21341616), (64, 20007765), (72, 17784680), (80, 16006212), (90, 14227744), (96, 13338510), (106, 12080160), (120, 10670808), (144, 8892340), (159, 8053440), (160, 8003106), (180, 7113872), (192, 6669255), (212, 6040080), (240, 5335404), (265, 4832064), (288, 4446170), (318, 4026720), (320, 4001553), (360, 3556936), (424, 3020040), (477, 2684480), (480, 2667702), (530, 2416032), (576, 2223085), (636, 2013360), (720, 1778468), (795, 1610688), (848, 1510020), (954, 1342240), (960, 1333851), (1060, 1208016), (1272, 1006680), (1440, 889234), (1590, 805344), (1696, 755010), (1908, 671120), (2120, 604008), (2385, 536896), (2544, 503340), (2880, 444617), (3180, 402672), (3392, 377505), (3816, 335560), (4240, 302004), (4770, 268448), (5088, 251670), (6360, 201336), (7632, 167780), (8389, 152640), (8480, 151002), (9540, 134224), (10176, 125835), (12720, 100668), (15264, 83890), (16778, 76320), (16960, 75501), (19080, 67112), (25167, 50880), (25440, 50334), (30528, 41945), (33556, 38160)]